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Head-to-head · AI Writing Assistants

Grammarly vs DeepL Write

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Grammarly #1 in AI Writing Assistants 9.4/10 Free plan Free plan✓ 3 of 4 features Visit Grammarly
DeepL Write #3 in AI Writing Assistants 8.9/10 Free plan Free plan✓ 3 of 4 features Visit DeepL Write

Grammarly leads on 0 checks, DeepL Write on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGrammarly · 9.4/10
  • Free planboth

Grammarly scores higher on our rubric for ai writing assistants: 9.4 against 8.9 out of 10; our editors rank them #1 and #3.

Grammarly is the better fit for all-purpose writing improvement. DeepL Write is the better fit for writers needing polished multilingual phrasing.

  • Grammarly fits best

    All-purpose writing improvement

  • DeepL Write fits best

    Writers needing polished multilingual phrasing

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Side by side

Feature Grammarly 9.4/10 Visit ↗ DeepL Write 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in AI Writing Assistants #3 in AI Writing Assistants
Best for All-purpose writing improvement Writers needing polished multilingual phrasing
Pricing model Free plan + paid Free plan + paid
Starting price $12/user/mo —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Desktop, Mobile, Browser extension
Platforms Web, Windows, macOS, iOS, Android, Chrome extension Web, Windows, macOS, iOS, Android, Chrome extension
Support Docs Live chat, Docs
Compliance SOC 2, ISO 27001, HIPAA, PCI DSS, SSO/SAML, 2FA SOC 2, ISO 27001, GDPR, SSO/SAML
Integrations 8 integrations 5 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Grammarly 3/4 · DeepL Write 3/4
Brand voice controls Not checked yet Not checked yet
Browser extension ✓ ✓
Desktop app ✓ ✓
Mobile app ✓ ✓
Specs
Included word limit Not checked yet Not checked yet
Supported languages Not checked yet 11 languages
Our review
Pros
  • Covers grammar, clarity, fluency, style, tone, and rewriting
  • Works across web, desktop, mobile, and browser extension
  • Integrates with Word, Google Docs, Gmail, Salesforce, and more
  • Corrects grammar, spelling, punctuation, phrasing, and word choice
  • Offers tone, formality, shortening, and custom-term controls
  • Works across web, desktop, mobile, extensions, apps, and API
Cons
  • Free plan limits generative AI usage to 100 prompts per month
  • Pro AI usage is capped at 2,000 prompts per member per month
  • Enterprise security and administration features require the Enterprise plan
  • Language coverage is limited to 11 listed language varieties
  • The free version includes usage limits
  • Unlimited text improvement and enhanced data protection require Write Pro
Our verdict

Grammarly is an AI writing assistant for individuals, professionals, teams, and educational users. It checks spelling, grammar, punctuation, clarity, fluency, style, and tone across web browsers, desktop applications, mobile apps, browser…

Read the review →

DeepL Write is an AI writing assistant for individuals and teams who want help improving grammar, spelling, punctuation, clarity, word choice, and phrasing. It suits writers working across multiple language varieties, with controls for…

Read the review →
  1. GrammarlyAI Writing Assistants 9.4Free plan
  2. DeepL WriteAI Writing Assistants 8.9Free plan

Strengths and trade-offs

  • Grammarly — where it wins

    • Covers grammar, clarity, fluency, style, tone, and rewriting
    • Works across web, desktop, mobile, and browser extension
    • Integrates with Word, Google Docs, Gmail, Salesforce, and more

    Where it doesn't

    • Free plan limits generative AI usage to 100 prompts per month
    • Pro AI usage is capped at 2,000 prompts per member per month
    • Enterprise security and administration features require the Enterprise plan

  • DeepL Write — where it wins

    • Corrects grammar, spelling, punctuation, phrasing, and word choice
    • Offers tone, formality, shortening, and custom-term controls
    • Works across web, desktop, mobile, extensions, apps, and API

    Where it doesn't

    • Language coverage is limited to 11 listed language varieties
    • The free version includes usage limits
    • Unlimited text improvement and enhanced data protection require Write Pro

More comparisons

All AI writing assistants comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update